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Duffy, Walter G. |
1978 |
"Seasonal Abundance of Planktonic Rotifers in a Nearshore Area of Central Lake Michigan" in Journal of Great Lakes Research |
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Duffy, Walter G. |
1979 |
"Colonization of the Ludington Pumped Storage Reservoir by Amphipods from Lake Michigan" in Michigan Academician |
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Duffy, Walter G. |
1980 |
Environmental Baseline and Evaluation of the St. Mary's River Dredging: Great Lakes - St. Lawrence Seaway Navigation Season Extension Program |
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Duffy, Walter G. |
1981 |
Supplementary Environmental Baseline Studies and Evaluation of the St. Mary's River During 1980 |
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Duffy, Walter G. |
1983 |
Environmental Baseline Studies of St. Marys River Near Neebish Island, Michigan, Prior to Proposed Extension of Navigation Season, 1981 |
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Duffy, Walter G. |
1985 |
"Survival Following Exposure to Subzero Temperatures and Respiration in Cold Acclimatized Larvae of Enallagma boreale (Odonata:Zygoptera)" in Freshwater Invertebrate Biology |
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Duffy, Walter G. |
1985 |
"The population ecology of the damselfly Lestes disjunctus disjunctus (zygoptera:odonata) in the St. Marys River, Michigan" in Theses and Dissertatins |
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Duffy, Walter G. |
1986 |
"The ecology of Lake St. Clair wetlands: a community profile" in USF&WS Biological Report |
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Duffy, Walter G. |
1986 |
The Ecology of Pools 11-13 of the Upper Mississippi River: A Community Profile |
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Duffy, Walter G. |
1987 |
"The St. Marys River, Michigan: an ecological profile" in USF&WS Biological Report |
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Duffy, Walter G. |
1989 |
"Hydrological, morphometrical, and biological characteristics of the connecting rivers of the International Great Lakes: a review" in Proceedings of the International Large River Symposium |
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Duffy, Walter G. |
1989 |
Marsh Management in Coastal Louisiana: Effects and Issues: Proceedings of a Symposium |
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Duffy, Walter G. |
1992 |
Chapter 7 "Application of Biological Measures to Classification of Aquatic Habitats in the Laurentian Great Lakes" in The Development of an Aquatic Habitat Classification System for Lakes |
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Duffy, Walter G. |
1993 |
"The James River of the Dakotas" in USF&WS Biological Report |
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Duffy, Walter G. |
1993 |
"Proposed Minimum Lengths for Size Categories of Landlocked Chinook Salmon" in The Prairie Naturalist |
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Duffy, Walter G. |
1993 |
"Aquatic invertebrate production in southeastern USA wetlands during winter and spring" in Wetlands |
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Duffy, Walter G. |
1994 |
"Demographics of Lestes disjunctus disjunctus (Odonata: Zygoptera) in a riverine wetland" in Canadian Journal of Zoology |
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Duffy, Walter G. |
1994 |
"Evaluation of the Microtox Test to Detect Phorate Contamination in Wetlands" in Journal of Freshwater Ecology |
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Duffy, Walter G. |
1995 |
"Effects of phorate on ducklings in northern prairie wetlands" in Journal of Wildlife Management |
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Duffy, Walter G. |
1995 |
"Assessing Ecosystem Integrity Through Energy Flow in Wetlands of Grand Teton and Yellowstone National Parks" in The UW National Parks Service Research Station Annual Reports |
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Duffy, Walter G. |
1995 |
"The Influence of Changing Water Levels and Temperatures on the Food Habits of Walleye in Lake Oahe, South Dakota" in Journal of Freshwater Ecology |
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Duffy, Walter G. |
1995 |
"Environmental Fate of Phorate and Its Metabolites in Northern Prairie Wetlands" in Journal of Freshwater Ecology |
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Duffy, Walter G. |
1995 |
"The impact of phorate on the genetic diversity of wetland aquatic invertebrates" in Journal of the Minnesota Academy of Science |
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Duffy, Walter G. |
1995 |
"Influence of Vegetated Wetlands on the Water Quality of Two Glacial Prairie Lakes" in Journal of the Minnesota Academy of Science |
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Duffy, Walter G. |
1995 |
"Food Habits of Channel Catfish in Lake Oahe, South Dakota" in Journal of Freshwater Ecology |